Raymond B. answered • 07/04/22
Tutor
5
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Math, microeconomics or criminal justice
Use FOIL
(5+2i)(5-2i)
=25-10i+10i-4(i^2)
=25 +0(i) -4(-1)
=25+4 +(0)i
=29+(0)i
=a+bi where
a=29
b=0
Tae J.
asked • 07/04/22Find the product of 5 + 2 i and its conjugate. The answer is a + bi where (down below)
The real number a equals:
The real number b equals:
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